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The video shows the steps for the application hydrophobic treatment for masonry exposed face created through the use of colorless coating, waterproof and breathable treatment BKK, applied on external walls of mixed masonry of a private house.
It is shown initially as the wall, once wet, tend to absorb water. It then describes the operations of protection of doors and wooden frames, covered with plain cardboard. Following we proceed with the application of the material, which can be applied by brush, roller or airless. In this case the material was applied with a manual airless pump, directly on the surface of the mixed masonry.
After the application of the material and when it is completely dry, the wall was again wet with water, and as it is possible to notice, this time both the stone surface and the bedding mortar one does not present water absorption phenomena.